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【Scope of application】

It is customized according to the specific requirements of customers and meets the requirements of JT/T327-2016 "Highway Bridge Expansion Device" Appendix B Deformation Performance Test and Appendix D Bearing Performance Test

【Guideline】

Appendix to JT/T327-2016 "Highway Bridge Expansion Device"

JT/T327-2016 Appendix B Deformation Performance Test

JT/T327-2016 Appendix C Waterproof Performance Test

JT/T327-2016 Appendix D Bearing Performance Test

JT/T1064-2016 Appendix B Maximum vertical deformation deviation test during tension and compression

JT/T1064-2016 Appendix C Horizontal rotation angle test of expansion device

JT/T1064-2016 Appendix D Vertical rotation angle test of expansion device

JT/T1064-2016 Appendix E Deflection test of movable comb plate of telescopic device

JT/T1064-2016 Appendix F Tensile and Compression Maximum Horizontal Friction Test

JT/T1064-2016 Appendix G Overall Fatigue Performance Test

JT/T1064-2016 "Bridge damping and vibration reduction multi-directional variable comb plate expansion device"

JTQX-2011-12-2 "General technical conditions for modular expansion devices"

【technical parameter】

1. Maximum transverse tension and compression test force: 2x100kN

2. *Large lateral dislocation test force: 100kN

3. *Large vertical dislocation test force: 2x100kN (standard structure can also be used, and vertical dislocation can be adjusted by adding pads)

4. Horizontal cylinder stroke: 1200mm

5. Transverse displacement stroke: 150mm

6. Vertical displacement stroke: 100mm

7. Load measurement range: 2%~100%FS

8. Test force value accuracy: ≤±1%FS

9. Displacement measurement accuracy: ≤±1%FS

10. Deformation measurement accuracy: 0.001mm

11. Deformation measurement stroke: 0-10mm

12. Maximum telescopic space of telescopic device: 1200mm

13. Maximum length of telescopic device: 6000mm

14. Deformation measurement method: measurement of pattern degeneration by high-precision grating displacement sensor

15. Control method: Adopting a fully digital multi-channel electro-hydraulic servo system, the test process is fully automatic, without human intervention, the servo valve adopts German Rexroth, which can accurately control the loading speed and displacement of the loading cylinder.

16. Floor area: 9000mm×4500mm (length×width)